Answer:
A.) It has two cell layers.
If these are your choices:
A. Warm water increases the speed of sound.
B. Cold water increases the speed of sound.
C. High water pressure decreases the speed of sound.
D. Low water pressure increases the speed of sound.
The answer is B. because warmer particles rises which is less dense than the cooler particles. Sound waves travels faster in a denser medium making statement B as the correct answer.
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Answer:
Virus.
Explanation:
Viruses can't reproduce without invading the cell of another living being.
